![What should I do if the message "I/O error" appears when using Hyper Backup to back up tasks to local destinations? - Synology Knowledge Center What should I do if the message "I/O error" appears when using Hyper Backup to back up tasks to local destinations? - Synology Knowledge Center](https://kb.synology.com/_images/autogen/What_should_I_do_if_the_message_IO_error_appears_when_using_Hyper_Backup_to_back_up_tasks_to_local_destinations/2.png)
What should I do if the message "I/O error" appears when using Hyper Backup to back up tasks to local destinations? - Synology Knowledge Center
![Amazon.com: (Old Model) Seagate 4TB NAS HDD SATA 64MB Cache 3.5-Inch Internal Bare Drive (ST4000VN000) : Electronics Amazon.com: (Old Model) Seagate 4TB NAS HDD SATA 64MB Cache 3.5-Inch Internal Bare Drive (ST4000VN000) : Electronics](https://m.media-amazon.com/images/I/41csEs-Ah6L.jpg)
Amazon.com: (Old Model) Seagate 4TB NAS HDD SATA 64MB Cache 3.5-Inch Internal Bare Drive (ST4000VN000) : Electronics
![Amazon.com: WD Red Pro 6TB 3.5-Inch SATA III 7200rpm 128MB Cache NAS Internal Hard Drive (WD6002FFWX) : Electronics Amazon.com: WD Red Pro 6TB 3.5-Inch SATA III 7200rpm 128MB Cache NAS Internal Hard Drive (WD6002FFWX) : Electronics](https://m.media-amazon.com/images/I/6106vX8P+dS.jpg)
Amazon.com: WD Red Pro 6TB 3.5-Inch SATA III 7200rpm 128MB Cache NAS Internal Hard Drive (WD6002FFWX) : Electronics
![Amazon.com: Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX : Electronics Amazon.com: Western Digital 22TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD221KFGX : Electronics](https://m.media-amazon.com/images/I/41xV05MZqEL._AC_SY350_QL15_.jpg)